How often are flights from London to Houston delayed?

Historically, on average around 14% of flights between London and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

Which airline has the best punctuality record on London to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Houston on average per week?

As of January 2026, 131 flights take off from London Heathrow Airport and land in Houston each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What is the cheapest airline that flies from London Heathrow to Houston?

JetBlue, WestJet, and British Airways are the most popular carriers operating from London Heathrow to Houston

What airlines fly to Houston?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to Houston from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

What is the most punctual flight time for London to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How many flights depart from London Heathrow Airport to Houston on average per day?

As of January 2026, 18 flights take off from London Heathrow Airport and land in Houston each day. The most common flight departure time for this route is 10:00AM, with 57% of daily flights taking off at noon.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from London Heathrow Airport to Houston?

Prices for flights from London Heathrow Airport to Houston were last updated today.

How many operators does momondo search for flights from London Heathrow Airport to Houston?

As of January 2026, there are 5 operators available to choose from for flights from London Heathrow Airport to Houston.

How old do you have to be to fly from London Heathrow Airport to Houston?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.

What documentation or ID do you need to fly to Houston?

The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$487 Cheap Flights from London Heathrow Airport to Houston in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 12:57 am

LHR

IAH

24h 57m

2 stops

11:38 am - 5:50 pm

IAH

LHR

24h 12m

3 stops

$715Multiple Airlines

Fri, May 1 - Tue, May 5

10:50 am - 7:04 pm

LHR

IAH

14h 14m

1 stop

12:16 pm - 10:15 am

IAH

LHR

15h 59m

2 stops

$718Multiple Airlines

Wed, Feb 18 - Tue, Feb 24

11:20 am - 11:49 pm

LHR

IAH

18h 29m

1 stop

5:23 pm - 12:35 pm

IAH

LHR

13h 12m

1 stop

$719Multiple Airlines

Wed, Apr 8 - Thu, Apr 16

12:05 pm - 10:36 am

LHR

IAH

27h 31m

3 stops

4:22 pm - 7:10 am

IAH

LHR

33h 48m

3 stops

$723Multiple Airlines

Fri, Mar 13 - Fri, Mar 20

9:20 am - 2:01 pm

LHR

IAH

34h 41m

1 stop

2:55 pm - 6:55 am

IAH

LHR

34h 00m

1 stop

$724JetBlue

Wed, Feb 18 - Wed, Feb 25

2:50 pm - 5:54 am

LHR

IAH

21h 04m

2 stops

3:37 pm - 5:30 pm

IAH

LHR

19h 53m

3 stops

$725Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

2:10 pm - 10:01 pm

LHR

IAH

13h 51m

1 stop

11:45 am - 9:35 am

IAH

LHR

15h 50m

1 stop

$727Air Canada

Tue, Jun 23 - Thu, Jul 16

9:10 am - 1:25 pm

LHR

IAH

10h 15mnonstop

9:05 pm - 12:25 pm

IAH

LHR

9h 20mnonstop

$732British Airways

Tue, Jun 23 - Thu, Jul 16

8:20 am - 3:51 pm

LHR

HOU

13h 31m

1 stop

4:21 pm - 10:00 am

HOU

LHR

11h 39m

1 stop

$775British Airways

Tue, Feb 24 - Tue, Mar 3

2:45 pm - 11:58 pm

LHR

HOU

14h 13m

1 stop

12:18 pm - 6:50 am

HOU

LHR

13h 32m

1 stop

$799American Airlines

Sun, Mar 8 - Sun, Mar 22

American Airlines flights from London Heathrow Airport to Houston

Our best American Airlines deals on London Heathrow Airport to Houston flight tickets

American Airlines

Feb 7

LHR3:25 pmLondon Heathrow

10h 35m

IAH8:00 pmHouston George Bush Intcntl

Feb 22

IAH3:50 pmHouston George Bush Intcntl

9h 00m

LHR6:50 amLondon Heathrow

$798

American Airlines

Mar 8

LHR2:45 pmLondon Heathrow

14h 13m

1 stop

HOU11:58 pmHouston Hobby

Mar 22

HOU12:18 pmHouston Hobby

13h 32m

1 stop

LHR6:50 amLondon Heathrow

$799

American Airlines

Feb 7

LHR3:25 pmLondon Heathrow

10h 35m

IAH8:00 pmHouston George Bush Intcntl

Feb 22

IAH12:06 pmHouston George Bush Intcntl

13h 14m

1 stop

LHR7:20 amLondon Heathrow

$803

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets

Delta

Feb 24

LHR8:40 amLondon Heathrow

19h 48m

2 stops

HOU10:28 pmHouston Hobby

Mar 3

HOU10:50 amHouston Hobby

15h 15m

2 stops

LHR8:05 amLondon Heathrow

$832

Delta

Feb 6

LHR8:40 amLondon Heathrow

19h 53m

2 stops

HOU10:33 pmHouston Hobby

Feb 11

HOU11:09 amHouston Hobby

14h 41m

1 stop

LHR7:50 amLondon Heathrow

$834

Delta

Feb 11

LHR11:30 amLondon Heathrow

17h 03m

2 stops

HOU10:33 pmHouston Hobby

Feb 18

HOU1:06 pmHouston Hobby

13h 39m

2 stops

LHR8:45 amLondon Heathrow

$839

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

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Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 5/1

6:00 am-12:57 am

2 stops24h 57m

Houston George Bush Intcntl

Tue 5/5

11:38 am-5:50 pm

3 stops24h 12m

$715

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 2/18

10:50 am-7:04 pm

1 stop14h 14m

Houston George Bush Intcntl

Tue 2/24

12:16 pm-10:15 am

2 stops15h 59m

$718

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 4/8

11:20 am-11:49 pm

1 stop18h 29m

Houston George Bush Intcntl

Thu 4/16

5:23 pm-12:35 pm

1 stop13h 12m

$719

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 3/13

12:05 pm-10:36 am

3 stops27h 31m

Houston George Bush Intcntl

Fri 3/20

4:22 pm-7:10 am

3 stops33h 48m

$723

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 2/18

9:20 am-2:01 pm

1 stop34h 41m

Houston George Bush Intcntl

Wed 2/25

2:55 pm-6:55 am

1 stop34h 00m

$724

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 2/24

2:50 pm-5:54 am

2 stops21h 04m

Houston George Bush Intcntl

Tue 3/3

3:37 pm-5:30 pm

3 stops19h 53m

$725

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/23

2:10 pm-10:01 pm

1 stop13h 51m

Houston George Bush Intcntl

Thu 7/16

11:45 am-9:35 am

1 stop15h 50m

$727

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/23

9:10 am-1:25 pm

Nonstop10h 15m

Houston George Bush Intcntl

Thu 7/16

9:05 pm-12:25 pm

Nonstop9h 20m

$732

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 2/24

8:20 am-3:51 pm

1 stop13h 31m

Houston Hobby

Tue 3/3

4:21 pm-10:00 am

1 stop11h 39m

$775

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sun 3/8

2:45 pm-11:58 pm

1 stop14h 13m

Houston Hobby

Sun 3/22

12:18 pm-6:50 am

1 stop13h 32m

$799

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How to get the cheapest flight ticket from London Heathrow Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Houston?

The month of November is, on average, the cheapest month to fly to Houston from London Heathrow Airport, with most prices found around $843. The month of September is another great option to travel to Houston, with average flight prices from London Heathrow Airport averaging around $871.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest London Heathrow Airport to Houston flights are usually those with departure times at noon. Our users have found flights to Houston at noon for as low as $963. Try not to purchase tickets in the morning because they tend to be around $998. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $975 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as $809 on momondo.

What cabin class options are available on London Heathrow to Houston flights?

There are 3 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time	10h 15m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from London Heathrow Airport to Houston takes 10h 15m

Direct flights go from London Heathrow Airport to Houston every day.

There are 2 airports in Houston. From London Heathrow Airport there are direct flights to Houston George Bush Intcntl (IAH).

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How far is London Heathrow to Houston by plane?
A flight from London Heathrow to Houston will travel around 4833.3 mi. By plane, this route typically takes 10h 15m.
When did momondo last update prices for flights from London Heathrow Airport to Houston?
Prices for flights from London Heathrow Airport to Houston were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Houston?
As of January 2026, there are 5 operators available to choose from for flights from London Heathrow Airport to Houston.
How old do you have to be to fly from London Heathrow Airport to Houston?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Houston

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $496	Free Cancellation	Rating 7.2 11,199 reviews	Search American Airlines flights
Lufthansa	PriceFrom $577	Free Cancellation	Rating 6.8 7,752 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $695	Free Cancellation	Rating 7.5 895 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $780	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
British Airways	PriceFrom $782	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from London.

Can I find flights from London to Houston with flexible booking policies on momondo?

All flight searches from London to Houston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from London.

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from London Heathrow Airport to Houston from $487

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from London Heathrow Airport to Houston

Our best American Airlines deals on London Heathrow Airport to Houston flight tickets

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

See travel insights to Houston from

How to get the cheapest flight ticket from London Heathrow Airport to Houston

What is the cheapest month to fly to Houston?

The month of November is, on average, the cheapest month to fly to Houston from London Heathrow Airport, with most prices found around $843. The month of September is another great option to travel to Houston, with average flight prices from London Heathrow Airport averaging around $871.

What is the cheapest time of day to depart on your flight to Houston?

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

What cabin class options are available on London Heathrow to Houston flights?

There are 3 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from London Heathrow to Houston?

JetBlue, WestJet, and British Airways are the most popular carriers operating from London Heathrow to Houston

What airlines fly to Houston?

How often are flights from London to Houston delayed?

Historically, on average around 14% of flights between London and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 160 minutes.

What is the most punctual flight time for London to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Houston flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Houston on average per day?

As of January 2026, 18 flights take off from London Heathrow Airport and land in Houston each day. The most common flight departure time for this route is 10:00AM, with 57% of daily flights taking off at noon.

How many flights depart from London Heathrow Airport to Houston on average per week?

As of January 2026, 131 flights take off from London Heathrow Airport and land in Houston each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time

Direct flights

Airports in Houston

How far is London Heathrow to Houston by plane?

When did momondo last update prices for flights from London Heathrow Airport to Houston?

How many operators does momondo search for flights from London Heathrow Airport to Houston?

How old do you have to be to fly from London Heathrow Airport to Houston?

What documentation or ID do you need to fly to Houston?

Best airlines flying from London Heathrow Airport to Houston

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston with momondo

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

Can I find flights from London to Houston with flexible booking policies on momondo?

How can momondo help me find flights from London to Houston?

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas